Finding the Fourth Proportional to 77,564,911.67, 107,035,709.68 and 44,069,966.53
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Solution
The fourth proportional to 77,564,911.67, 107,035,709.68 and 44,069,966.53 is: 60,814,355.89
Step by Step Solution
- Step 1: Write the proportion equation
77,564,911.67 : 107,035,709.68 = 44,069,966.53 : x - Step 2: Convert to fraction form
77,564,911.67/107,035,709.68 = 44,069,966.53/x - Step 3: Cross multiply
77,564,911.67x = 107,035,709.68 × 44,069,966.53 - Step 4: Simplify right side
77,564,911.67x = 4,717,060,143,112,397 - Step 5: Solve for x
x = 4,717,060,143,112,397/77,564,911.67 - Step 6: Final answer
x = 60,814,355.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.